cse • paper_1 • mechanics
[UPSC CSE 2018] Mechanics of Continuous media (Q275, 10M)
A water drop of radius 0.04\ \mathrm{mm} is falling through air. If the coefficient of viscosity for air is 1.8 \times 10^{-4} poise, find its terminal velocity. If 100 such drops coalesce, what will be the new terminal velocity?
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